Princess Presto
Full Name Princess Presto
First Appearance (Barney and the Rocko Squad) Enter the Rocko Squad
Barney and the Rocko Squad Portrayer Tajja Isen
"Cue the sparkles! Cue the music! Here comes that OUTRAGEOUS princess..."
— Evil-Man, before Princess Presto arrives.

Princess Presto is a magical princess, but Evil-Man calls her an outrageous princess! Using her Magic Spelling Wand, Princess Presto will write out the word she needs in order to help the other Super Readers, or make something new appear. Almost in a magic spell sense. She always says something regarding a "snake" when she writes a lower-case "s" or an upper-case "S". In Barney in the Rocko Squad, she doesn't use spelling powers, but instead uses sleeping powers to infuriate Evil-Man by sleeping and snoring.

During Barney and the Rocko Squad, Princess Presto, Barney, and the other Super Readers keep track of Ling Xiaoyu's crying.

Tajja Isen voices Princess Presto in Super Why! and Barney and the Rocko Squad.